Dear Doctors: My grandfather is 72 years old and has been diagnosed with non-Hodgkin lymphoma. I would like to know more about this type of cancer and what kind of treatment may be involved. Is it unusual for someone his age to get this kind of a diagnosis?
Dear Reader: Lymphoma is a type of cancer that originates in the lymphatic system, most often in the lymph nodes. These are small pea- or bean-…